2120683505 has 16 divisors (see below), whose sum is σ = 2590617600. Its totient is φ = 1666242240.

The previous prime is 2120683471. The next prime is 2120683511. The reversal of 2120683505 is 5053860212.

It is not a de Polignac number, because 2120683505 - 2⁸ = 2120683249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61391 + ... + 89499.

It is an arithmetic number, because the mean of its divisors is an integer number (161913600).

Almost surely, 2^2120683505 is an apocalyptic number.

It is an amenable number.

2120683505 is a deficient number, since it is larger than the sum of its proper divisors (469934095).

2120683505 is a wasteful number, since it uses less digits than its factorization.

2120683505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28384.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2120683505 is about 46050.8795247170. The cubic root of 2120683505 is about 1284.7697013940.

The spelling of 2120683505 in words is "two billion, one hundred twenty million, six hundred eighty-three thousand, five hundred five".